<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" 
      xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>

<body>
<form th:action="@{/message}">
<h1 align="center">Welcome to course choosing web</h1>
<p align="center"><img   th:src="@{/image/course1.png}"/></p>
<p align="center"><button >个人信息页面</button></p>
</form>

</body>
</html>